[−][src]Function shellfn::execute_iter_result_nopanic
pub fn execute_iter_result_nopanic<T, TArg, TEnvKey, TEnvVal, TError, impl AsRef, impl IntoIterator - , impl IntoIterator
- >(
cmd: impl AsRef,
args: impl IntoIterator- ,
envs: impl IntoIterator
) -> Result<impl Iterator<Item = T>, TError> where
T: FromStr,
TArg: AsRef<OsStr>,
TEnvKey: AsRef<OsStr>,
TEnvVal: AsRef<OsStr>,
TError: From<Error<<T as FromStr>::Err>>,
impl AsRef: AsRef<OsStr>,
impl IntoIterator- : IntoIterator<Item = (TEnvKey, TEnvVal)>,
impl IntoIterator- : IntoIterator<Item = TArg>,
<T as FromStr>::Err: Error,
Executes command with args and environment variables, parses output line by line
- On invalid command: return error
- On error exit code: break iterator
- On parsing failure: skip item
- Possible errors: ProcessNotSpawned
Designed for
use shellfn::shell; use std::error::Error; #[shell(no_panic)] fn command() -> Result<impl Iterator<Item = u32>, Box<Error>> { "echo 1; echo 2; echo 3" } assert_eq!(vec![1, 2, 3], command().unwrap().collect::<Vec<_>>())